31308800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1223}}^1$

素因数の和:1253

約数の個数: 66

約数和(自身を含む): 77671368

約数和(自身を除く): 46362568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1223, 1280, 1600, 2446, 2560, 3200, 4892, 5120, 6115, 6400, 9784, 12230, 12800, 19568, 24460, 25600, 30575, 39136, 48920, 61150, 78272, 97840, 122300, 156544, 195680, 244600, 313088, 391360, 489200, 626176, 782720, 978400, 1252352, 1565440, 1956800, 3130880, 3913600, 6261760, 7827200, 15654400, 31308800]

約数ペア:

[(1, 31308800), (2, 15654400), (4, 7827200), (5, 6261760), (8, 3913600), (10, 3130880), (16, 1956800), (20, 1565440), (25, 1252352), (32, 978400), (40, 782720), (50, 626176), (64, 489200), (80, 391360), (100, 313088), (128, 244600), (160, 195680), (200, 156544), (256, 122300), (320, 97840), (400, 78272), (512, 61150), (640, 48920), (800, 39136), (1024, 30575), (1223, 25600), (1280, 24460), (1600, 19568), (2446, 12800), (2560, 12230), (3200, 9784), (4892, 6400), (5120, 6115)]